On this day: May 3

POSTED: 12:09 AM CDT May 03, 2013    UPDATED: 01:00 AM CDT May 03, 2013 
Sears Tower, Chicago skyline, horizontal

Washington, D.C., is incorporated, Joe DiMaggio makes his major-league debut, the Sears Tower becomes the tallest building in the world, and the first spam email is sent, all on this day.